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Author : Vernon R. Bonner
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.3/5 (121 download)
Download or read book Bridge Hydraulic Analysis with HEC-RAS written by Vernon R. Bonner and published by . This book was released on 1996 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary W. Brunner
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.3/5 (121 download)
Download or read book A Comparison of the One-dimensional Bridge Hydraulic Routines from HEC-RAS, HEC-2 and WSPRO written by Gary W. Brunner and published by . This book was released on 1995 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. David Parr
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.3/5 (555 download)
Download or read book A Model Study of Bridge Hydraulics written by A. David Parr and published by . This book was released on 2007 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most analyses of bridge hydraulics for flood flows are performed using the Army Corps of Engineers HEC-RAS (Hydrologic Engineering Centers River Analysis System) computer program. This study was carried out to compare results of HEC-RAS bridge modeling with experiments performed in a laboratory flume. The study was intended to add some insight into the effect of bridge hydraulic features such as ineffective flow regions, weir overflow and flow through skewed bridges. This insight should be useful for bridge engineers in HEC-RAS bridge modeling endeavors. A laboratory flume was constructed specifically for this project. The flume cross section has a main channel region and relatively wide left and right overbank regions. Different bridge scenarios were modeled. Froude number similarity was used to "scale up" model parameters and create prototype HEC-RAS hydraulic models simulating laboratory model conditions. Water surface profiles were compared for corresponding HEC-RAS and laboratory results.
Author : John H. Hunt
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (121 download)
Download or read book Flow Transitions in Bridge Backwater Analysis written by John H. Hunt and published by . This book was released on 1995 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary W. Brunner
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (121 download)
Download or read book HEC River Analysis System (HEC-RAS) written by Gary W. Brunner and published by . This book was released on 1994 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (662 download)
Download or read book A Model Study of Bridge Hydraulics, Edition 2 written by and published by . This book was released on 2010 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most flood studies in the United States use the Army Corps of Engineers Hydrologic Engineering Center's River Analysis System (HEC-RAS) computer program. This report is the second edition. The first edition of the report considered the laboratory model to be distorted with 1:100 horizontal scale and 1:20 vertical scale. The second edition considers both distorted and undistorted interpretations of the laboratory models. Moreover, more advanced HEC-RAS modeling techniques are used to better match the HEC-RAS and the laboratory results. The advanced HEC-RAS models were based on review comments and model revisions by Mr. Gary W. Brunner, Senior Technical Hydraulic Engineer, Hydrologic Engineering Center (HEC).
Author : Transportation Association of Canada
Publisher : Thomas Telford
ISBN 13 : 9780727732620
Total Pages : 206 pages
Book Rating : 4.7/5 (326 download)
Download or read book Guide to Bridge Hydraulics written by Transportation Association of Canada and published by Thomas Telford. This book was released on 2004 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Basic hydraulic considerations - Channel types and behaviour relation to bridges - Basic hydraulic requirements - Hydraulic design procedures Hydrologic estimates - Statistical frequency analysis - Runoff modeling - Empirical methods - High water levels and stage-discharge relations - Extreme floods and risk Scour protection and channel control - Scour protection around bridge foundations - Erosion protection of banks and slopes - Design of rock riprap - Cannel control works Hydraulic aspects of construction, inspection and maintenance - Construction - Inspection - Maintenance Special problems - Tidal crossings - Inland basic crossings - Waves and waves protection - Physical modeling of bridge problems - Alluvial fans - Debris flow and torrents
Author : Venkata Subbarao Bayareddy
Publisher :
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.:/5 (952 download)
Download or read book Determination of Ineffective Flow Areas in Bridge Modeling Using HEC-RAS by Locating Ineffective Flow Stations written by Venkata Subbarao Bayareddy and published by . This book was released on 2016 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Hydrologic Engineering Center's River Analysis System (HEC-RAS) uses a simulation model to delineate floodplains, but it may also be used to size bridges and culverts. HEC-RAS has an option for defining ineffective flow stations at bridges and culverts. An ineffective flow area is a portion of a river or stream's cross section where there is no water flowing downstream due to the presence of a bridge or a similar structure, i.e. no conveyance. Current practice is for modelers and engineers to provide an estimate of the location of ineffective flow stations. The purpose of the research effort detailed in this document is to develop an iterative approach capable of quickly and accurately locating ineffective flow stations at bridges. The ultimate goal of the proposed research effort will be to include the methodology in future releases of the HEC-RAS model.
Author : Dennis Lyn
Publisher :
ISBN 13 : 9781622605064
Total Pages : pages
Book Rating : 4.6/5 (5 download)
Download or read book Assessment of HY-8 and HEC-RAS Bridge Models for Large-Span Water-Encapsulating Structures written by Dennis Lyn and published by . This book was released on 2019-02 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Current INDOT policy requires that culvert-like structures with spans greater than 20 ft be treated for purposes of hydraulic analysis as a bridge, and hence mandates the use of software such as HEC-RAS for predicting the headwater, rather than the culvert-specific software, HY-8. In this context, culvert-like structures are assumed to have a standard inlet geometry (e.g., such as those already modeled in HY-8) and a constant barrel geometry. The present study examines the technical basis of this policy, and whether the policy could be revised to allow the application of simpler culvert-hydraulics analysis and HY-8 to culvert-like structures with spans greater than 20 ft. Laboratory experiments were performed with model box culverts of span 1.5 ft and two streamwise lengths, 2.1 ft and 8 ft, and performance curves describing the variation of headwater with discharge were obtained. The effects of bed roughness, the presence or absence of a cover (if present, the rise was 0.5 ft), and a range of tailwater levels, were investigated. The laboratory observations were compared with predictions by HY-8 and HEC-RAS models, and the model performance assessed. In general, HY-8 predictions were found to be as good as, and in some cases superior to, the HEC-RAS predictions, for both long and short culvert-like structures. This was attributed to the empirical information in HY-8 being more tailored to the specific standardized geometry of culvert-like structures, and the automatic inclusion of roughness effects, whereas HEC-RAS, at least when used with default coefficients and settings, relied on generic coefficients and neglected roughness effects. It was therefore recommended that a change in INDOT policy allowing large-span culvert-like structures to be analyzed using conventional culvert hydraulics would be technically justified for problems where the structure could be considered in isolation and accurate input data are available.
Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (121 download)
Download or read book HEC-6 written by and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary Dyhouse
Publisher :
ISBN 13 :
Total Pages : 752 pages
Book Rating : 4.3/5 (91 download)
Download or read book Floodplain Modeling Using HEC-RAS written by Gary Dyhouse and published by . This book was released on 2003 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to floodplain modeling and management - Introduction to open channel hydraulics - Hydraulic modeling tools - Planning for floodplain modeling studies - Data needs, availability, and development - Bridge modeling - Culvert modeling - Data review, calibration, and results analysis - The U.S. national flood insurance program - Floodway modeling - Channel modification - Advanced floodplain modeling - Mobile boundary situations and bridge scour - Unsteady flow modeling - Importing and exporting files with HEC-RAS.
Author : Dr Les Hamill
Publisher : CRC Press
ISBN 13 : 148227163X
Total Pages : 384 pages
Book Rating : 4.4/5 (822 download)
Download or read book Bridge Hydraulics written by Dr Les Hamill and published by CRC Press. This book was released on 1998-12-03 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of bridges across rivers and streams is a major component of many civil engineering projects. The size of waterways must be kept reasonably small for reasons of economy and yet be large enough to allow floods to pass. Bridge Hydraulics is the first book to consider both arched and rectangular waterway openings in detail and to describe a
Author : Maya Sleiman
Publisher :
ISBN 13 :
Total Pages : 59 pages
Book Rating : 4.:/5 (15 download)
Download or read book The Impact of Bridge Intrusion on the Mill River written by Maya Sleiman and published by . This book was released on 2018 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher Goodell
Publisher : H2ls
ISBN 13 : 9780990891802
Total Pages : 264 pages
Book Rating : 4.8/5 (918 download)
Download or read book Breaking the HEC-RAS Code written by Christopher Goodell and published by H2ls. This book was released on 2014-10-31 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most powerful, yet relatively unknown features available in HEC-RAS is the HECRASController. TheHECRASController API has a wealth of procedures which allow a programmer to manipulate HEC-RAS externally by setting input data, retrieving input or output data, and performing common functions such as opening and closing HEC-RAS, changing plans, running HEC-RAS, and plotting output. HECRASController applications are seemingly endless. Not only can the retrieval and post-processing of output be automated, but with the HECRASController, real-time modeling and probabilistic experiments like Monte Carlo are possible. If you have HEC-RAS on your computer, you already have the HECRASController! "Breaking the HEC-RAS Code" explains how the HECRASController works, provides example applications of the HECRASController, and catalogs the vast array of programming procedures (with explanations and examples on how to use them) embedded in the HECRASController. This is a "must-have" book for all HEC-RAS users. Professionals: Give yourself an edge for the next proposal and do something groundbreaking with HEC-RAS. Students: Make yourself marketable by adding the skills offered in this book.
Author : A. David Parr
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (31 download)
Download or read book HEC-RAS 2.2 for Backwater and Scour Analysis written by A. David Parr and published by . This book was released on 2000 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Kansas Department of Transportation (KDOT) and most bridge consultants in Kansas have been using the DOS-WSPRO program and the KDOT scour spreadsheets to perform bridge hydraulics and scour analysis for the past several years. Unfortunately, DOS-WSPRO is a DOS program that is no longer supported and there is no metric version. Consequently, the newer Windows-based hydraulics program HEC-RAS (Hydrologic Engineering Center River Analysis System) developed by the U.S. Army Corps of Engineers appears to be a logical choice to succeed DOS-WSPRO as the basic flow model in KDOT's bridge design and scour analysis program. HEC-RAS has gained considerable popularity in the engineering community and offers many options not previously available to hydraulic modelers. It also has a scour module and has an option, the WSPRO bridge analysis routine (henceforth called HR-WSPRO). This study compared the HEC-RAS program with the DOS-WSPRO program and examined the HEC-RAS program with regard to scour analysis. The possibility of using the existing KDOT scour spreadsheets with output from the HR-WSPRO bridge routine was also considered. Finally, a literature review was performed to determine if any updates in the scour methods and new approaches to special conditions, such as the effect of debris or pressure flow affecting pier scour, were available.
Author : J. Paul Guyer, P.E., R.A.
Publisher : Guyer Partners
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4./5 ( download)
Download or read book An Introduction to Hydraulic Analysis Considerations for Bridge Design written by J. Paul Guyer, P.E., R.A. and published by Guyer Partners. This book was released on 2020-03-12 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introductory technical guidance for civil engineers and construction managers interested in hydraulic analysis for bridge design in flowing water, such as rivers. Here is what is discussed: 1. INTRODUCTION 2. HYDRAULIC MODELING CRITERIA AND SELECTION 3. SELECTING UPSTREAM AND DOWNSTREAM MODEL EXTENT 4 IDENTIFYING AND SELECTING MODEL BOUNDARY CONDITIONS.
Download or read book U.S. 52/IL 64 Bridge Over the Mississippi River written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
